From owner-freebsd-hackers@freebsd.org Mon Mar 11 13:06:10 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B4D0115425A4 for ; Mon, 11 Mar 2019 13:06:10 +0000 (UTC) (envelope-from darius@dons.net.au) Received: from ipmail01.adl6.internode.on.net (ipmail01.adl6.internode.on.net [150.101.137.136]) by mx1.freebsd.org (Postfix) with ESMTP id 3754E953EC for ; Mon, 11 Mar 2019 13:06:07 +0000 (UTC) (envelope-from darius@dons.net.au) Received: from 124-148-131-52.dyn.iinet.net.au (HELO midget.dons.net.au) ([124.148.131.52]) by ipmail01.adl6.internode.on.net with ESMTP; 11 Mar 2019 23:30:57 +1030 Received: from midget.dons.net.au (localhost [127.0.0.1]) by midget.dons.net.au (8.15.2/8.15.2) with ESMTPS id x2BD0hf1049363 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 11 Mar 2019 23:30:44 +1030 (ACDT) (envelope-from darius@dons.net.au) Received: (from mailnull@localhost) by midget.dons.net.au (8.15.2/8.15.2/Submit) id x2BCaAWi031306 for ; Mon, 11 Mar 2019 23:06:10 +1030 (ACDT) (envelope-from darius@dons.net.au) X-Authentication-Warning: midget.dons.net.au: mailnull set sender to using -f Received: from [10.0.2.26] ([10.0.2.26]) by ns.dons.net.au (envelope-sender ) (MIMEDefang) with ESMTP id x2BCa6r8031301; Mon, 11 Mar 2019 23:06:10 +1030 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: USB stack getting confused From: "O'Connor, Daniel" In-Reply-To: <1692bbc5-02f4-d0e9-a290-219f045ff55b@selasky.org> Date: Mon, 11 Mar 2019 23:06:06 +1030 Cc: Konstantin Belousov , FreeBSD Hackers Content-Transfer-Encoding: quoted-printable Message-Id: <205EC4C0-810B-47C3-A21E-A1EE0A6E3824@dons.net.au> References: <3B29D870-41F9-46AF-B9F3-03106DEC417D@dons.net.au> <20190309152613.GM2492@kib.kiev.ua> <20190309162640.GN2492@kib.kiev.ua> <20190309192330.GO2492@kib.kiev.ua> <20190310094758.GP2492@kib.kiev.ua> <35f69493-4bbb-4142-b61a-3e90adc8777b@selasky.org> <20190310102629.GQ2492@kib.kiev.ua> <40bf77e0-47a5-6edc-b5d0-58e3c44988ac@selasky.org> <030A0C16-4508-4C7C-A87C-72B69B15EDF5@dons.net.au> <1BBD445B-9A27-4BE7-9B60-04BE0814D7CA@dons.net.au> <1692bbc5-02f4-d0e9-a290-219f045ff55b@selasky.org> To: Hans Petter Selasky X-Mailer: Apple Mail (2.3445.102.3) X-Spam-Score: -1 () No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=unavailable autolearn_force=no version=3.4.1 X-Scanned-By: MIMEDefang 2.83 on 10.0.2.1 X-Rspamd-Queue-Id: 3754E953EC X-Spamd-Bar: ++++ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [4.23 / 15.00]; MV_CASE(0.50)[]; HAS_XAW(0.00)[]; TO_DN_ALL(0.00)[]; MX_GOOD(-0.01)[cached: midget.dons.net.au]; RCVD_NO_TLS_LAST(0.10)[]; RECEIVED_SPAMHAUS_PBL(0.00)[52.131.148.124.zen.spamhaus.org : 127.0.0.11]; RCVD_IN_DNSWL_LOW(-0.10)[136.137.101.150.list.dnswl.org : 127.0.5.1]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:4739, ipnet:150.101.0.0/16, country:AU]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_SPAM_SHORT(0.82)[0.821,0]; MIME_GOOD(-0.10)[text/plain]; IP_SCORE(0.25)[ipnet: 150.101.0.0/16(0.95), asn: 4739(0.32), country: AU(-0.04)]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; AUTH_NA(1.00)[]; DMARC_NA(0.00)[dons.net.au]; NEURAL_SPAM_MEDIUM(0.93)[0.931,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_SPAM_LONG(0.85)[0.845,0]; R_SPF_NA(0.00)[]; FREEMAIL_CC(0.00)[gmail.com] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Mar 2019 13:06:11 -0000 > On 11 Mar 2019, at 18:57, Hans Petter Selasky wrote: >=20 > On 3/11/19 7:27 AM, O'Connor, Daniel wrote: >> I just realised I can check procstat for open file, derp. >> [maarsytest 6:26] ~> procstat -f 2324|grep 0.5.0| wc >> 64 640 4928 >> So I guess that is why it is giving ENOMEM, I'm leaking FDs! >=20 > That looks like a bug in your application?? Yes, I think it is. I thought it was something else because usbconfig didn't see the device. > Which USB API are you using? The libusb10 interface - I didn't write the code (the vendor supplied a = Linux version that was trivially compilable on FreeBSD). I have the source code and I can see what the issue is so I'll fix that, = although I am surprised the limit for USB devices is so much lower than = the system limit for file descriptors generally. -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum